HS1-82C54RH-8 Intersil, HS1-82C54RH-8 Datasheet - Page 14

• Manufacturer Part Number: HS1-82C54RH-8
• Manufacturer: Intersil

Specifications of HS1-82C54RH-8

• Lead Free Status / RoHS Status: Supplier Unconfirmed

NOTES:
40. Counters are programmed for binary (not BCD) counting and for
41. The Counter is always selected (CS always low).
42. CW stands for “Control Word”; CW = 10 means a Control Word
43. LSB stands for “Least significant byte” of count.
44. Numbers below diagrams are count values. The lower number is
45. N stands for an undefined count.
46. Vertical lines show transitions between count values.
GATE
GATE
GATE
OUT
OUT
OUT
CLK
CLK
CLK
WR
WR
WR
reading/writing least significant byte (LSB) only.
of 10, Hex is written to the Counter.
the least significant byte. The upper number is the most
significant byte. Since the Counter is programmed to read/write
LSB only, the most significant byte cannot be read.
CW = 16 LSB = 4
CW = 16 LSB = 4
CW = 16 LSB = 5
N
N
N
N
N
N
N
N
N
N
N
N
FIGURE 20. MODE 3
0
4
0
5
0
4
0
2
0
4
0
2
14
0
4
0
2
0
4
0
2
0
5
0
2
0
4
0
2
0
2
0
2
0
5
0
2
0
4
0
4
0
4
0
2
0
2
0
2
0
4
0
5
0
4
0
2
0
2
0
2
HS-82C54RH
NOTES:
47. Counters are programmed for binary (not BCD) counting and for
48. The Counter is always selected (CS always low).
49. CW stands for “Control Word”; CW = 10 means a Control Word
50. LSB stands for “Least significant byte” of count.
51. Numbers below diagrams are count values. The lower number is
52. N stands for an undefined count.
53. Vertical lines show transitions between count values.
reading/writing least significant byte (LSB) only.
of 10, Hex is written to the Counter.
the least significant byte. The upper number is the most
significant byte. Since the Counter is programmed to read/write
LSB only, the most significant byte cannot be read.
GATE
GATE
GATE
OUT
OUT
OUT
CLK
CLK
CLK
WR
WR
WR
CW = 18 LSB = 3
CW = 18 LSB = 3
CW = 18 LSB = 3
N
N
N
N
N
N
N
N
N
FIGURE 21. MODE 4
N
N
N
0
3
0
3
0
3
LSB = 2
0
2
0
3
0
2
0
1
0
3
0
1
0
2
0
2
0
0
FE
FF
0
1
0
1
FF
FE
0
0
0
0
FF
FD
FF
FF
FF
FF